https://www.graalvm.org/ 
public class com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode extends com.oracle.truffle.js.runtime.JavaScriptRootNode
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode
  super_class: com.oracle.truffle.js.runtime.JavaScriptRootNode
{
  private com.oracle.truffle.js.nodes.JavaScriptNode node;
    descriptor: Lcom/oracle/truffle/js/nodes/JavaScriptNode;
    flags: (0x0002) ACC_PRIVATE
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.nodes.Node$Child()

  private final com.oracle.truffle.trufflenode.GraalJSAccess graalAccess;
    descriptor: Lcom/oracle/truffle/trufflenode/GraalJSAccess;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final com.oracle.truffle.js.runtime.JSContext context;
    descriptor: Lcom/oracle/truffle/js/runtime/JSContext;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final com.oracle.truffle.trufflenode.info.FunctionTemplate template;
    descriptor: Lcom/oracle/truffle/trufflenode/info/FunctionTemplate;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final boolean isNew;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private final boolean isNewTarget;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(com.oracle.truffle.trufflenode.GraalJSAccess, com.oracle.truffle.js.runtime.JSContext, com.oracle.truffle.trufflenode.info.FunctionTemplate, boolean, boolean);
    descriptor: (Lcom/oracle/truffle/trufflenode/GraalJSAccess;Lcom/oracle/truffle/js/runtime/JSContext;Lcom/oracle/truffle/trufflenode/info/FunctionTemplate;ZZ)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=6, args_size=6
        start local 0 // com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode this
        start local 1 // com.oracle.truffle.trufflenode.GraalJSAccess graalAccess
        start local 2 // com.oracle.truffle.js.runtime.JSContext context
        start local 3 // com.oracle.truffle.trufflenode.info.FunctionTemplate template
        start local 4 // boolean isNew
        start local 5 // boolean isNewTarget
         0: .line 329
            aload 0 /* this */
            invokespecial com.oracle.truffle.js.runtime.JavaScriptRootNode.<init>:()V
         1: .line 330
            aload 0 /* this */
            aload 1 /* graalAccess */
            putfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.graalAccess:Lcom/oracle/truffle/trufflenode/GraalJSAccess;
         2: .line 331
            aload 0 /* this */
            aload 3 /* template */
            putfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.template:Lcom/oracle/truffle/trufflenode/info/FunctionTemplate;
         3: .line 332
            aload 0 /* this */
            aload 2 /* context */
            putfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.context:Lcom/oracle/truffle/js/runtime/JSContext;
         4: .line 333
            aload 0 /* this */
            iload 4 /* isNew */
            putfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.isNew:Z
         5: .line 334
            aload 0 /* this */
            iload 5 /* isNewTarget */
            putfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.isNewTarget:Z
         6: .line 335
            return
        end local 5 // boolean isNewTarget
        end local 4 // boolean isNew
        end local 3 // com.oracle.truffle.trufflenode.info.FunctionTemplate template
        end local 2 // com.oracle.truffle.js.runtime.JSContext context
        end local 1 // com.oracle.truffle.trufflenode.GraalJSAccess graalAccess
        end local 0 // com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    7     0         this  Lcom/oracle/truffle/trufflenode/node/ExecuteNativeFunctionNode$NativeFunctionRootNode;
            0    7     1  graalAccess  Lcom/oracle/truffle/trufflenode/GraalJSAccess;
            0    7     2      context  Lcom/oracle/truffle/js/runtime/JSContext;
            0    7     3     template  Lcom/oracle/truffle/trufflenode/info/FunctionTemplate;
            0    7     4        isNew  Z
            0    7     5  isNewTarget  Z
    MethodParameters:
             Name  Flags
      graalAccess  
      context      
      template     
      isNew        
      isNewTarget  

  public java.lang.Object execute(com.oracle.truffle.api.frame.VirtualFrame);
    descriptor: (Lcom/oracle/truffle/api/frame/VirtualFrame;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=9, locals=2, args_size=2
        start local 0 // com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode this
        start local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
         0: .line 339
            aload 0 /* this */
            getfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.node:Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            ifnonnull 3
         1: .line 340
            invokestatic com.oracle.truffle.api.CompilerDirectives.transferToInterpreterAndInvalidate:()V
         2: .line 341
            aload 0 /* this */
            aload 0 /* this */
            new com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode
            dup
            aload 0 /* this */
            getfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.graalAccess:Lcom/oracle/truffle/trufflenode/GraalJSAccess;
            aload 0 /* this */
            getfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.context:Lcom/oracle/truffle/js/runtime/JSContext;
            aload 0 /* this */
            getfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.template:Lcom/oracle/truffle/trufflenode/info/FunctionTemplate;
            aload 0 /* this */
            getfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.isNew:Z
            aload 0 /* this */
            getfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.isNewTarget:Z
            invokespecial com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode.<init>:(Lcom/oracle/truffle/trufflenode/GraalJSAccess;Lcom/oracle/truffle/js/runtime/JSContext;Lcom/oracle/truffle/trufflenode/info/FunctionTemplate;ZZ)V
            invokevirtual com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.insert:(Lcom/oracle/truffle/api/nodes/Node;)Lcom/oracle/truffle/api/nodes/Node;
            checkcast com.oracle.truffle.js.nodes.JavaScriptNode
            putfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.node:Lcom/oracle/truffle/js/nodes/JavaScriptNode;
         3: .line 343
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.node:Lcom/oracle/truffle/js/nodes/JavaScriptNode;
            aload 1 /* frame */
            invokevirtual com.oracle.truffle.js.nodes.JavaScriptNode.execute:(Lcom/oracle/truffle/api/frame/VirtualFrame;)Ljava/lang/Object;
            areturn
        end local 1 // com.oracle.truffle.api.frame.VirtualFrame frame
        end local 0 // com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lcom/oracle/truffle/trufflenode/node/ExecuteNativeFunctionNode$NativeFunctionRootNode;
            0    4     1  frame  Lcom/oracle/truffle/api/frame/VirtualFrame;
    MethodParameters:
       Name  Flags
      frame  

  public java.lang.String getName();
    descriptor: ()Ljava/lang/String;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode this
         0: .line 348
            aload 0 /* this */
            getfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.template:Lcom/oracle/truffle/trufflenode/info/FunctionTemplate;
            aload 0 /* this */
            getfield com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode.context:Lcom/oracle/truffle/js/runtime/JSContext;
            invokevirtual com.oracle.truffle.js.runtime.JSContext.getRealm:()Lcom/oracle/truffle/js/runtime/JSRealm;
            invokevirtual com.oracle.truffle.trufflenode.info.FunctionTemplate.getFunctionObject:(Lcom/oracle/truffle/js/runtime/JSRealm;)Lcom/oracle/truffle/api/object/DynamicObject;
            invokestatic com.oracle.truffle.js.runtime.builtins.JSFunction.getFunctionData:(Lcom/oracle/truffle/api/object/DynamicObject;)Lcom/oracle/truffle/js/runtime/builtins/JSFunctionData;
            invokevirtual com.oracle.truffle.js.runtime.builtins.JSFunctionData.getName:()Ljava/lang/String;
            areturn
        end local 0 // com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/trufflenode/node/ExecuteNativeFunctionNode$NativeFunctionRootNode;

  public boolean isFunction();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode this
         0: .line 353
            iconst_1
            ireturn
        end local 0 // com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/trufflenode/node/ExecuteNativeFunctionNode$NativeFunctionRootNode;
}
SourceFile: "ExecuteNativeFunctionNode.java"
NestHost: com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode
InnerClasses:
  public abstract Child = com.oracle.truffle.api.nodes.Node$Child of com.oracle.truffle.api.nodes.Node
  public NativeFunctionRootNode = com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode$NativeFunctionRootNode of com.oracle.truffle.trufflenode.node.ExecuteNativeFunctionNode